Dumbbell



FIG. 1 is a perspective view of a dumbbell according to a design of theinvention.

FIG. 2 is a top view of the design according to the invention. Thebottom side view of the third design is exactly the same as the topview.

FIG. 3 is a front side view of the design according to the invention.The rear side view of the third design is exactly the same as the frontview.

FIG. 4 is a right view of the design according to the invention; and,

FIG. 5 is a left view of the design according to the invention.

The broken lines illustrate environmental structure and form no part ofthe claimed design.

CLAIM The ornamental design for a dumbbell, as shown and described.